189407681160 has 32 divisors (see below), whose sum is σ = 568223043840. Its totient is φ = 50508714944.

The previous prime is 189407681153. The next prime is 189407681171. The reversal of 189407681160 is 61186704981.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 789198552 + ... + 789198791.

It is an arithmetic number, because the mean of its divisors is an integer number (17756970120).

Almost surely, 2^189407681160 is an apocalyptic number.

189407681160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189407681160 is an abundant number, since it is smaller than the sum of its proper divisors (378815362680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

189407681160 is a wasteful number, since it uses less digits than its factorization.

189407681160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578397357 (or 1578397353 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 51.

The spelling of 189407681160 in words is "one hundred eighty-nine billion, four hundred seven million, six hundred eighty-one thousand, one hundred sixty".